Tech lead / architect

Puretech Internet; Bidhannagar; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

Puretech Internet seeks a hands-on Technical Lead who specializes in full-stack development, system architecture, and AI-driven solutions. You will guide technical delivery and mentor the team from Kolkata.

You will design end-to-end architectures, drive AI adoption, and ensure successful project outcomes through hands-on coding, reviews, and strong collaboration with stakeholders.

Qualifications

• 8+ years hands-on software engineering experience.
• Strong React.js, Next.js, Node.js and TypeScript skills.
• Experience with AWS/GCP, Docker, and CI/CD pipelines.
• Experience deploying at least one LLM-powered feature in production.
• Regular hands-on experience with AI development tools such as Claude Code.
• Must be comfortable working from the Kolkata office.

Responsibilities

• Gather business requirements and translate them into user stories and acceptance criteria.
• Lead solution design, architecture, data modelling, API development, and integrations.
• Develop and review production-level code.
• Manage sprint planning, coding standards, automated testing, and project delivery.
• Support the CTO in day-to-day technical decisions and mentor the development team.
• Leverage AI tools for requirement analysis, solution design, coding, and code reviews.
• Build and deploy LLM-powered features and AI agents to automate business workflows.

Skills

Full-stack React/Next/Node

TypeScript

Python/SQL/NoSQL

AWS/GCP

CI/CD

LLM/AI tools

Architectural design

Leadership

Tools

Docker

Claude Code

Job description

We are looking for a hands‑on Technical Lead with strong expertise in full-stack development, system architecture, and AI-driven solutions. The candidate will be responsible for leading technical development, driving AI adoption, and ensuring successful project delivery.

Key Responsibilities

• Gather business requirements and translate them into user stories and acceptance criteria.
• Lead solution design, architecture, data modelling, API development, and integrations.
• Develop and review production‑level code.
• Manage sprint planning, coding standards, automated testing, and project delivery.
• Support the CTO in day‑to‑day technical decisions and mentor the development team.
• Leverage AI tools for requirement analysis, solution design, coding, and code reviews.
• Build and deploy LLM‑powered features and AI agents to automate business workflows.

Must‑Have Skills

• 812 years of hands‑on software engineering experience.
• Strong expertise in React.js, Next.js, Node.js, and TypeScript.
• Working knowledge of Python, SQL, and NoSQL databases.
• Experience with AWS/GCP, Docker, and CI/CD.
• Strong experience in end‑to‑end system design and requirement gathering.
• Experience deploying at least one LLM‑powered feature in production.
• Regular hands‑on experience with AI development tools such as Claude Code.
• Must be comfortable working from the Kolkata office.

Good to have:

• Knowledge of Vector Databases, LLM Evaluation Tools, and MCP.
• Exposure to Digital Marketing, Analytics, or MarTech.